SEGMENT FINANCIAL DATA 2 (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Total segment profit	$ 1,385	$ 1,970	$ 3,233	$ 3,779
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Interest and other financial charges	(90)	(85)	(163)	(170)
Repositioning and other charges	(280)	(126)	(342)	(210)
Income before taxes	1,219	1,982	3,154	3,824
Segment Reconciling Items [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Interest and other financial charges	(90)	(85)	(163)	(170)
Stock compensation expense	(34)	(34)	(78)	(75)
Repositioning and other charges	(280)	(126)	(342)	(210)
Other	26	98	81	178
Income before taxes	1,219	1,982	3,154	3,824
Segment Reconciling Items [Member] \| Pension [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Pension ongoing income	198	148	396	299
Segment Reconciling Items [Member] \| Other Postretirement [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Pension ongoing income	14	11	27	23
Corporate
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Abstract]
Total segment profit	(25)	(72)	(66)	(148)
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Repositioning and other charges	$ (45)	$ (45)	$ (44)	$ (101)

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